gstreamer/gst-libs/gst/mpegts/gstmpegtssection.h
Tim-Philipp Müller 3eb033bba2 mpegts: GST_EXPORT -> GST_MPEGTS_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 12:47:03 +00:00

431 lines
16 KiB
C

/*
* mpegtspacketizer.h -
* Copyright (C) 2013 Edward Hervey
*
* Authors:
* Edward Hervey <edward@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef GST_MPEGTS_SECTION_H
#define GST_MPEGTS_SECTION_H
#include <gst/gst.h>
#include <gst/mpegts/gstmpegtsdescriptor.h>
G_BEGIN_DECLS
typedef struct _GstMpegtsSection GstMpegtsSection;
#define GST_TYPE_MPEGTS_SECTION (gst_mpegts_section_get_type())
#define GST_MPEGTS_SECTION(section) ((GstMpegtsSection*) section)
#define GST_MPEGTS_SECTION_TYPE(section) (GST_MPEGTS_SECTION (section)->section_type)
GST_MPEGTS_API
GType gst_mpegts_section_get_type (void);
/**
* GstMpegtsSectionType:
* @GST_MPEGTS_SECTION_UNKNOWN: Unknown section type
* @GST_MPEGTS_SECTION_PAT: Program Association Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_PMT: Program Map Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_CAT: Conditional Access Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_TSDT: Transport Stream Description Table (ISO/IEC 13818-1)
* @GST_MPEGTS_SECTION_EIT: Event Information Table (EN 300 468)
* @GST_MPEGTS_SECTION_NIT: Network Information Table (ISO/IEC 13818-1 / EN 300 468)
* @GST_MPEGTS_SECTION_BAT: Bouquet Association Table ((EN 300 468)
* @GST_MPEGTS_SECTION_SDT: Service Description Table (EN 300 468)
* @GST_MPEGTS_SECTION_TDT: Time and Date Table (EN 300 468)
* @GST_MPEGTS_SECTION_TOT: Time Offset Table (EN 300 468)
* @GST_MPEGTS_SECTION_ATSC_TVCT: ATSC Terrestrial Virtual Channel Table (A65)
* @GST_MPEGTS_SECTION_ATSC_CVCT: ATSC Cable Virtual Channel Table (A65)
* @GST_MPEGTS_SECTION_ATSC_MGT: ATSC Master Guide Table (A65)
* @GST_MPEGTS_SECTION_ATSC_ETT: ATSC Extended Text Table (A65)
* @GST_MPEGTS_SECTION_ATSC_EIT: ATSC Event Information Table (A65)
* @GST_MPEGTS_SECTION_ATSC_STT: ATSC System Time Table (A65)
*
* Types of #GstMpegtsSection that the library handles.
*/
typedef enum {
GST_MPEGTS_SECTION_UNKNOWN = 0,
GST_MPEGTS_SECTION_PAT,
GST_MPEGTS_SECTION_PMT,
GST_MPEGTS_SECTION_CAT,
GST_MPEGTS_SECTION_TSDT,
GST_MPEGTS_SECTION_EIT,
GST_MPEGTS_SECTION_NIT,
GST_MPEGTS_SECTION_BAT,
GST_MPEGTS_SECTION_SDT,
GST_MPEGTS_SECTION_TDT,
GST_MPEGTS_SECTION_TOT,
GST_MPEGTS_SECTION_ATSC_TVCT,
GST_MPEGTS_SECTION_ATSC_CVCT,
GST_MPEGTS_SECTION_ATSC_MGT,
GST_MPEGTS_SECTION_ATSC_ETT,
GST_MPEGTS_SECTION_ATSC_EIT,
GST_MPEGTS_SECTION_ATSC_STT
} GstMpegtsSectionType;
/**
* GstMpegtsSectionTableID:
*
* Values for a #GstMpegtsSection table_id
*
* These are the registered ITU H.222.0 | ISO/IEC 13818-1 table_id variants.
*
* see also #GstMpegtsSectionATSCTableID, #GstMpegtsSectionDVBTableID, and
* #GstMpegtsSectionSCTETableID
*/
typedef enum {
/* ITU H.222.0 / IEC 13818-1 */
GST_MTS_TABLE_ID_PROGRAM_ASSOCIATION = 0x00,
GST_MTS_TABLE_ID_CONDITIONAL_ACCESS = 0x01,
GST_MTS_TABLE_ID_TS_PROGRAM_MAP = 0x02,
GST_MTS_TABLE_ID_TS_DESCRIPTION = 0x03,
GST_MTS_TABLE_ID_14496_SCENE_DESCRIPTION = 0x04,
GST_MTS_TABLE_ID_14496_OBJET_DESCRIPTOR = 0x05,
GST_MTS_TABLE_ID_METADATA = 0x06,
GST_MTS_TABLE_ID_IPMP_CONTROL_INFORMATION = 0x07,
/* 0x08 - 0x39 : ITU H.222.0 | ISO/IEC 13818-1 reserved */
/* IEC 13818-6 (DSM-CC) */
GST_MTS_TABLE_ID_DSM_CC_MULTIPROTO_ENCAPSULATED_DATA = 0x3A,
GST_MTS_TABLE_ID_DSM_CC_U_N_MESSAGES = 0x3B,
GST_MTS_TABLE_ID_DSM_CC_DOWNLOAD_DATA_MESSAGES = 0x3C,
GST_MTS_TABLE_ID_DSM_CC_STREAM_DESCRIPTORS = 0x3D,
GST_MTS_TABLE_ID_DSM_CC_PRIVATE_DATA = 0x3E,
GST_MTS_TABLE_ID_DSM_CC_ADDRESSABLE_SECTIONS = 0x3F,
/* Unset */
GST_MTS_TABLE_ID_UNSET = 0xFF
} GstMpegtsSectionTableID;
typedef gboolean (*GstMpegtsPacketizeFunc) (GstMpegtsSection *section);
/**
* GstMpegtsSection:
* @section_type: The type of section
* @pid: The pid on which this section was found
* @table_id: The table id of this section
* @subtable_extension: This meaning differs per section. See the documentation
* of the parsed section type for the meaning of this field
* @version_number: Version of the section.
* @current_next_indicator: Applies to current/next stream or not
* @section_number: Number of the section (if multiple)
* @last_section_number: Number of the last expected section (if multiple)
* @crc: CRC
*
* Mpeg-TS Section Information (SI) (ISO/IEC 13818-1)
*/
struct _GstMpegtsSection
{
/*< private >*/
GstMiniObject parent;
/*< public >*/
GstMpegtsSectionType section_type;
guint16 pid;
guint8 table_id;
guint16 subtable_extension;
guint8 version_number;
gboolean current_next_indicator;
guint8 section_number;
guint8 last_section_number;
guint32 crc;
/*< private >*/
/* data: Points to beginning of section data
* i.e. the first byte is the table_id field */
guint8 *data;
/* section_length: length of data (including final CRC if present) */
guint section_length;
/* cached_parsed: cached copy of parsed section */
gpointer *cached_parsed;
/* destroy_parsed: function to clear cached_parsed */
GDestroyNotify destroy_parsed;
/* offset: offset of the section within the container stream */
guint64 offset;
/* short_section: TRUE if section_syntax_indicator == 0
* FIXME : Maybe make public later on when allowing creation of
* sections to that people can create private short sections ? */
gboolean short_section;
GstMpegtsPacketizeFunc packetizer;
/* Padding for future extension */
gpointer _gst_reserved[GST_PADDING];
};
GST_MPEGTS_API
GBytes *gst_mpegts_section_get_data (GstMpegtsSection *section);
/* PAT */
#define GST_TYPE_MPEGTS_PAT_PROGRAM (gst_mpegts_pat_program_get_type())
typedef struct _GstMpegtsPatProgram GstMpegtsPatProgram;
/**
* GstMpegtsPatProgram:
* @program_number: the program number
* @network_or_program_map_PID: the network of program map PID
*
* A program entry from a Program Association Table (ITU H.222.0, ISO/IEC 13818-1).
*/
struct _GstMpegtsPatProgram
{
guint16 program_number;
guint16 network_or_program_map_PID;
};
GST_MPEGTS_API
GPtrArray *gst_mpegts_section_get_pat (GstMpegtsSection *section);
GST_MPEGTS_API
GType gst_mpegts_pat_program_get_type (void);
GST_MPEGTS_API
GPtrArray *gst_mpegts_pat_new (void);
GST_MPEGTS_API
GstMpegtsPatProgram *gst_mpegts_pat_program_new (void);
GST_MPEGTS_API
GstMpegtsSection *gst_mpegts_section_from_pat (GPtrArray * programs,
guint16 ts_id);
/* CAT */
GST_MPEGTS_API
GPtrArray *gst_mpegts_section_get_cat (GstMpegtsSection *section);
/* PMT */
typedef struct _GstMpegtsPMTStream GstMpegtsPMTStream;
typedef struct _GstMpegtsPMT GstMpegtsPMT;
#define GST_TYPE_MPEGTS_PMT (gst_mpegts_pmt_get_type())
#define GST_TYPE_MPEGTS_PMT_STREAM (gst_mpegts_pmt_stream_get_type())
/**
* GstMpegtsStreamType:
* @GST_MPEGTS_STREAM_TYPE_RESERVED_00: ITU-T | ISO/IEC Reserved
* @GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG1: ISO/IEC 11172-2 Video
* @GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG2: Rec. ITU-T H.262 | ISO/IEC 13818-2
* Video or ISO/IEC 11172-2 constrained parameter video stream
* @GST_MPEGTS_STREAM_TYPE_AUDIO_MPEG1: ISO/IEC 11172-3 Audio
* @GST_MPEGTS_STREAM_TYPE_AUDIO_MPEG2: ISO/IEC 13818-3 Audio
* @GST_MPEGTS_STREAM_TYPE_PRIVATE_SECTIONS: private sections
* @GST_MPEGTS_STREAM_TYPE_PRIVATE_PES_PACKETS: PES packets containing private data
* @GST_MPEGTS_STREAM_TYPE_MHEG: ISO/IEC 13522 MHEG
* @GST_MPEGTS_STREAM_TYPE_DSM_CC: Annex A DSM-CC
* @GST_MPEGTS_STREAM_TYPE_H_222_1: Rec. ITU-T H.222.1
* @GST_MPEGTS_STREAM_TYPE_DSMCC_A: ISO/IEC 13818-6 type A
* @GST_MPEGTS_STREAM_TYPE_DSMCC_B: ISO/IEC 13818-6 type B
* @GST_MPEGTS_STREAM_TYPE_DSMCC_C: ISO/IEC 13818-6 type C
* @GST_MPEGTS_STREAM_TYPE_DSMCC_D: ISO/IEC 13818-6 type D
* @GST_MPEGTS_STREAM_TYPE_AUXILIARY: auxiliary streams
* @GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_ADTS: ISO/IEC 13818-7 Audio with ADTS
* transport syntax
* @GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG4: ISO/IEC 14496-2 Visual
* @GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_LATM: ISO/IEC 14496-3 Audio with the LATM
* transport syntax as defined in ISO/IEC 14496-3
* @GST_MPEGTS_STREAM_TYPE_SL_FLEXMUX_PES_PACKETS: ISO/IEC 14496-1
* SL-packetized stream or FlexMux stream carried in PES packets
* @GST_MPEGTS_STREAM_TYPE_SL_FLEXMUX_SECTIONS: ISO/IEC 14496-1 SL-packetized
* stream or FlexMux stream carried in ISO/IEC 14496_sections
* @GST_MPEGTS_STREAM_TYPE_SYNCHRONIZED_DOWNLOAD: ISO/IEC 13818-6 Synchronized
* Download Protocol
* @GST_MPEGTS_STREAM_TYPE_METADATA_PES_PACKETS: Metadata carried in PES packets
* @GST_MPEGTS_STREAM_TYPE_METADATA_SECTIONS: Metadata carried in metadata_sections
* @GST_MPEGTS_STREAM_TYPE_METADATA_DATA_CAROUSEL: Metadata carried in ISO/IEC
* 13818-6 Data Carousel
* @GST_MPEGTS_STREAM_TYPE_METADATA_OBJECT_CAROUSEL: Metadata carried in
* ISO/IEC 13818-6 Object Carousel
* @GST_MPEGTS_STREAM_TYPE_METADATA_SYNCHRONIZED_DOWNLOAD: Metadata carried in
* ISO/IEC 13818-6 Synchronized Download Protocol
* @GST_MPEGTS_STREAM_TYPE_MPEG2_IPMP: IPMP stream (defined in ISO/IEC 13818-11,
* MPEG-2 IPMP)
* @GST_MPEGTS_STREAM_TYPE_VIDEO_H264: AVC video stream conforming to one or
* more profiles defined in Annex A of Rec. ITU-T H.264 | ISO/IEC 14496-10 or
* AVC video sub-bitstream of SVC as defined in 2.1.78 or MVC base view
* sub-bitstream, as defined in 2.1.85, or AVC video sub-bitstream of MVC, as
* defined in 2.1.88
* @GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_CLEAN: ISO/IEC 14496-3 Audio, without
* using any additional transport syntax, such as DST, ALS and SLS
* @GST_MPEGTS_STREAM_TYPE_MPEG4_TIMED_TEXT: ISO/IEC 14496-17 Text
* @GST_MPEGTS_STREAM_TYPE_VIDEO_RVC: Auxiliary video stream as defined in
* ISO/IEC 23002-3
* @GST_MPEGTS_STREAM_TYPE_VIDEO_H264_SVC_SUB_BITSTREAM: SVC video sub-bitstream
* of an AVC video stream conforming to one or more profiles defined in Annex G
* of Rec. ITU-T H.264 | ISO/IEC 14496-10
* @GST_MPEGTS_STREAM_TYPE_VIDEO_H264_MVC_SUB_BITSTREAM: MVC video sub-bitstream
* of an AVC video stream conforming to one or more profiles defined in Annex H
* of Rec. ITU-T H.264 | ISO/IEC 14496-10
* @GST_MPEGTS_STREAM_TYPE_VIDEO_JP2K: Video stream conforming to one or more
* profiles as defined in Rec. ITU-T T.800 | ISO/IEC 15444-1
* @GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG2_STEREO_ADDITIONAL_VIEW: Additional view
* Rec. ITU-T H.262 | ISO/IEC 13818-2 video stream for service-compatible
* stereoscopic 3D services
* @GST_MPEGTS_STREAM_TYPE_VIDEO_H264_STEREO_ADDITIONAL_VIEW: Additional view
* Rec. ITU-T H.264 | ISO/IEC 14496-10 video stream conforming to one or more
* profiles defined in Annex A for service-compatible stereoscopic 3D services
* @GST_MPEGTS_STREAM_TYPE_IPMP_STREAM: IPMP stream
*
* Type of mpeg-ts stream type.
*
* These values correspond to the base standard registered types. Depending
* on the variant of mpeg-ts being used (Bluray, ATSC, DVB, ...), other
* types might also be used, but will not conflict with these.
*
* Corresponds to table 2-34 of ITU H.222.0 | ISO/IEC 13818-1
*/
typedef enum {
GST_MPEGTS_STREAM_TYPE_RESERVED_00 = 0x00,
GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG1 = 0x01,
GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG2 = 0x02,
GST_MPEGTS_STREAM_TYPE_AUDIO_MPEG1 = 0x03,
GST_MPEGTS_STREAM_TYPE_AUDIO_MPEG2 = 0x04,
GST_MPEGTS_STREAM_TYPE_PRIVATE_SECTIONS = 0x05,
GST_MPEGTS_STREAM_TYPE_PRIVATE_PES_PACKETS = 0x06,
GST_MPEGTS_STREAM_TYPE_MHEG = 0x07,
GST_MPEGTS_STREAM_TYPE_DSM_CC = 0x08,
GST_MPEGTS_STREAM_TYPE_H_222_1 = 0x09,
GST_MPEGTS_STREAM_TYPE_DSMCC_A = 0x0a,
GST_MPEGTS_STREAM_TYPE_DSMCC_B = 0x0b,
GST_MPEGTS_STREAM_TYPE_DSMCC_C = 0x0c,
GST_MPEGTS_STREAM_TYPE_DSMCC_D = 0x0d,
GST_MPEGTS_STREAM_TYPE_AUXILIARY = 0x0e,
GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_ADTS = 0x0f,
GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG4 = 0x10,
GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_LATM = 0x11,
GST_MPEGTS_STREAM_TYPE_SL_FLEXMUX_PES_PACKETS = 0x12,
GST_MPEGTS_STREAM_TYPE_SL_FLEXMUX_SECTIONS = 0x13,
GST_MPEGTS_STREAM_TYPE_SYNCHRONIZED_DOWNLOAD = 0x14,
GST_MPEGTS_STREAM_TYPE_METADATA_PES_PACKETS = 0x15,
GST_MPEGTS_STREAM_TYPE_METADATA_SECTIONS = 0x16,
GST_MPEGTS_STREAM_TYPE_METADATA_DATA_CAROUSEL = 0x17,
GST_MPEGTS_STREAM_TYPE_METADATA_OBJECT_CAROUSEL = 0x18,
GST_MPEGTS_STREAM_TYPE_METADATA_SYNCHRONIZED_DOWNLOAD = 0x19,
GST_MPEGTS_STREAM_TYPE_MPEG2_IPMP = 0x1a,
GST_MPEGTS_STREAM_TYPE_VIDEO_H264 = 0x1b,
GST_MPEGTS_STREAM_TYPE_AUDIO_AAC_CLEAN = 0x1c,
GST_MPEGTS_STREAM_TYPE_MPEG4_TIMED_TEXT = 0x1d,
GST_MPEGTS_STREAM_TYPE_VIDEO_RVC = 0x1e,
GST_MPEGTS_STREAM_TYPE_VIDEO_H264_SVC_SUB_BITSTREAM = 0x1f,
GST_MPEGTS_STREAM_TYPE_VIDEO_H264_MVC_SUB_BITSTREAM = 0x20,
GST_MPEGTS_STREAM_TYPE_VIDEO_JP2K = 0x21,
GST_MPEGTS_STREAM_TYPE_VIDEO_MPEG2_STEREO_ADDITIONAL_VIEW = 0x22,
GST_MPEGTS_STREAM_TYPE_VIDEO_H264_STEREO_ADDITIONAL_VIEW = 0x23,
GST_MPEGTS_STREAM_TYPE_VIDEO_HEVC = 0x24,
/* 0x24 - 0x7e : Rec. ITU-T H.222.0 | ISO/IEC 13818-1 Reserved */
GST_MPEGTS_STREAM_TYPE_IPMP_STREAM = 0x7f
/* 0x80 - 0xff : User Private (or defined in other specs) */
} GstMpegtsStreamType;
/**
* GstMpegtsPMTStream:
* @stream_type: the type of stream. See #GstMpegtsStreamType
* @pid: the PID of the stream
* @descriptors: (element-type GstMpegtsDescriptor): the descriptors of the
* stream
*
* An individual stream definition.
*/
struct _GstMpegtsPMTStream
{
guint8 stream_type;
guint16 pid;
GPtrArray *descriptors;
};
/**
* GstMpegtsPMT:
* @pcr_pid: PID of the stream containing PCR
* @descriptors: (element-type GstMpegtsDescriptor): array of #GstMpegtsDescriptor
* @streams: (element-type GstMpegtsPMTStream): Array of #GstMpegtsPMTStream
*
* Program Map Table (ISO/IEC 13818-1).
*
* The program_number is contained in the subtable_extension field of the
* container #GstMpegtsSection.
*/
struct _GstMpegtsPMT
{
guint16 pcr_pid;
guint16 program_number;
GPtrArray *descriptors;
GPtrArray *streams;
};
GST_MPEGTS_API
GType gst_mpegts_pmt_get_type (void);
GST_MPEGTS_API
GType gst_mpegts_pmt_stream_get_type (void);
GST_MPEGTS_API
GstMpegtsPMT *gst_mpegts_pmt_new (void);
GST_MPEGTS_API
GstMpegtsPMTStream *gst_mpegts_pmt_stream_new (void);
GST_MPEGTS_API
const GstMpegtsPMT *gst_mpegts_section_get_pmt (GstMpegtsSection *section);
GST_MPEGTS_API
GstMpegtsSection *gst_mpegts_section_from_pmt (GstMpegtsPMT *pmt, guint16 pid);
/* TSDT */
GST_MPEGTS_API
GPtrArray *gst_mpegts_section_get_tsdt (GstMpegtsSection *section);
/* generic */
#define gst_mpegts_section_ref(section) ((GstMpegtsSection*) gst_mini_object_ref (GST_MINI_OBJECT_CAST (section)))
#define gst_mpegts_section_unref(section) (gst_mini_object_unref (GST_MINI_OBJECT_CAST (section)))
GST_MPEGTS_API
GstMessage *gst_message_new_mpegts_section (GstObject *parent, GstMpegtsSection *section);
GST_MPEGTS_API
gboolean gst_mpegts_section_send_event (GstMpegtsSection * section, GstElement * element);
GST_MPEGTS_API
GstMpegtsSection *gst_event_parse_mpegts_section (GstEvent * event);
GST_MPEGTS_API
GstMpegtsSection *gst_message_parse_mpegts_section (GstMessage *message);
GST_MPEGTS_API
GstMpegtsSection *gst_mpegts_section_new (guint16 pid,
guint8 * data,
gsize data_size);
GST_MPEGTS_API
guint8 *gst_mpegts_section_packetize (GstMpegtsSection * section, gsize * output_size);
G_END_DECLS
#endif /* GST_MPEGTS_SECTION_H */